The Department of Energy recently awarded $39 million in grant funding to 18 universities and labs that are working to cut down the carbon footprint of various construction materials.
The Department of Energy recently awarded $39 million in grant funding to 18 universities and labs across the United States that are working to cut down the carbon footprint of various construction materials. The labs are trying to create replacements for things like concrete, wood, insulation, and paneling.
It is created when limestone is burned at extremely hot temperatures. That combustion process creates a large amount of CO2 that is then released into the atmosphere. “We’re trying to make a cement that stores and sequesters more CO2 than is emitted during its manufacture,” he said. Through a $500,000 grant a year ago, he tested his theory on a microalgae known as coccolithophores, which, through photosynthesis, sequesters carbon out of the atmosphere. The algae creates an “armor,” as Srubar describes it, that greatly resembles the same compounds as limestone. Through a process that separates the “armor” from the algae itself, Srubar was able to isolate the greener limestone alternative and burn that instead.
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